WeRodeInTrucks

So here's where I'm at. I've changed the IWE selinod to the one with the water cover and both my auto locking hubs when I put in new uppers and lowers and it's still grinding..I'm lost. The only other thing I can think of would be a vacuum leak. Any help?

VTX1800N1

https://www.f150forum.com/f72/how-di...72/?styleid=14